Opto-Electronic Research Reviews (OER, quarterly), a virtual journal, publishes reviews articles on specific researching areas with high importance and widespread impacts. The reviews are selected from the journals of Opto-Electronic Engineering (OEE), Opto-Electronic Advances (OEA) and Opto-Electronic Science (OES). The selected review articles offer in-depth treatment of a research area, surveying recent work and trends and provide introduction and a critical evaluation to newcomers and specialists in other fields. 

This issue consists of review articles published on Opto-Electronic Engineering (OEE).